package com.mmall.concurrency.example.singleton;

import com.mmall.concurrency.annoations.ThreadSafe;

/**
 * 饿汉模式
 * 单例实例在类装载时进行创建
 */
@ThreadSafe
public class SingletonExample6 {
	// 私有构造函数
	private SingletonExample6() {
	}

	// 单例对象
	private static SingletonExample6 instance = null;
	static {
		instance = new SingletonExample6();
	}

	// 静态的工厂方法
	public static SingletonExample6 getInstance() {
		return instance;
	}

	public static void main(String[] args) {
		System.out.println(getInstance().hashCode());
		System.out.println(getInstance().hashCode());
	}
}
